Raccoon River Park Weather Forecast

    • 62
    • 82

    Rain Showers Likely

    • 57
    • 66

    Rain Showers Likely

    • 52
    • 61

    Rain Showers Likely

    • 47
    • 60

    Partly Sunny

    • 52
    • 65

    Partly Sunny

    • 56
    • 66

    Mostly Cloudy

Today 19 Sep Polk

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Highs in the lower 80s. South Winds around 5 Mph, becoming west this afternoon. Chance of rain 30 percent.

Tonight 19 Sep Polk

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the lower 60s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Raccoon River Park Temperature Statistics

September Temperature

Des Moines International Airport (3.7 miles)

  • Lowest 13 September, 2026

    56.6 °F

  • Average September

    75.5 °F

  • Highest 1 September, 2026

    96.7 °F

Climate (2021–2026)

Des Moines International Airport (3.7 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.5 °F
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